Enginetech F281CS | Lower Gasket Set compatible with various Ford 4.6L/281 & 5.4L/330 V8

Single Exhaust Valve Compatible with: Ford 4.6L 281/5.4L 330 DOHC (Enginetech V2843) Nominal Stem Diameter: 7.00 mm ET Stem Diameter: 0.2730 inches Standard Head Diameter: 1.181 inches ET Head...

Single Intake Valve Compatible with: Ford 4.6L 281 / 5.4L 330 DOHC (Enginetech V2838) Nominal Stem Diameter: 7.00 mm ET Stem Diameter: 0.2750 inches Standard Head Diameter: 1.456 inches ET Head...

Single Exhaust Valve Compatible with: Ford 4.6L 281/5.4L 330 SOHC (Enginetech V2421S) Nominal Stem Diameter: 7.00 mm ET Stem Diameter: 0.2740 inches Standard Head Diameter: 1.339 inches ET Head...